Friday

April 17, 2015

April 17, 2015

Posted by **abby** on Sunday, March 11, 2012 at 3:32pm.

- algebra -
**Henry**, Monday, March 12, 2012 at 11:43pmThe ladder, ground, and wall form a rt. triangle:

r = 8Ft = hyp.

X = 3Ft = hor. side.

Y = Wall = ver. side.

cosA = X/r = 3/8 = 0.375.

A = 68 Deg.

B = 90 - 68 = 22 Deg. = Angle ladder makes with wall.

**Answer this Question**

**Related Questions**

geometry - A ladder leaning against a vertical wall makes a angle of 75degree ...

Math- Calculus - A 20 foot ladder is sliding down a vertical wall at a constant ...

Math- Calculus - A 20 foot ladder is sliding down a vertical wall at a constant ...

Math- Calculus - A 20 foot ladder is sliding down a vertical wall at a constant ...

Math- Calculus - A 20 foot ladder is sliding down a vertical wall at a constant ...

calculus - 1) A ladder 25 feet long is leaning against the wall of a house. The ...

Calculus - related rates: a ladder, 12 feet long, is leaning against a wall. if ...

calculus - A 13 foot ladder leaning against a wall makes an angle of degree ...

plane and spherical trigonometry - a ladder 38 feet long is leaning against the ...

Calculus - The top of a 24 foot ladder, leaning against a vertical wall, is ...